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1

JavaScript uses loops to execute a block of code using Iterative methods. Describe what is meant by an Iterative method. Explain how a do/while loop differs from a while loop. Explain why a while loop might be used instead of a for loop in JavaScript code.

21. Programming for the web  →  21.1. Programming for the web

Open

2

Describe how stroke and fill settings can be used to change the appearance of text in a computer animation.

19. Graphics creation  →  19.5. Text

20. Animation  →  20.1. Animation

Open

3

Developers can use either evolutionary or throw-away prototyping to create prototypes of a new interface. Describe two advantages of using evolutionary prototyping. Describe one disadvantage of using evolutionary prototyping. Describe two advantages of using throw-away prototyping. Describe one disadvantage of using throw-away prototyping.

16. System life cycle  →  16.9. Prototyping

2. Hardware and software  →  2.5. User interfaces

Open

4

Discuss the benefits of the use of vision enhancement in health care.

Open

5

Computer devices can connect to a local area network (LAN). Wi-Fi connections can only be used within range of a wireless access point (WAP). Explain why Wi-Fi connections to a WAP have a limited range. Explain how the connection range of Wi-Fi can be increased. Devices use ethernet technology to send data on cabled LANs. Explain why ethernet technology is used on LANs to send data. ,

 
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14. Communications technology  →  14.7. Wireless technology

14. Communications technology  →  14.6. Network protocols

Open

6

Describe how a system flowchart is constructed.

4. Algorithms and flowcharts  →  4.2. Flowcharts

16. System life cycle  →  16.3. Design

Open

7

A specialist data mining company has been asked by a bank to create a data mining model. The bank will use the model to find out if there is fraudulent activity in the use of credit cards. Describe the process the data mining company will use to create the model for the bank.

12. IT in society  →  12.2. Data mining

Open

8

Web browsers are clients which request services, such as web pages, from a web server. This is an example of the use of the client-server model of networking. Justify the use of client-server networking in this scenario.

14. Communications technology  →  14.6. Network protocols

14. Communications technology  →  14.3. Network servers

Open

9

Project management software (PMS) is used to support a project. Explain how PMS can be used for the scheduling of tasks in a project. Explain why using PMS may not be appropriate for very small projects.

15. Project management  →  15.2. Project management software

15. Project management  →  15.3. Tools and techniques for project management tasks

Open

10

Discuss the benefits and drawbacks to individuals of using chat rooms for social networking.

12. IT in society  →  12.3. Social networking services/platforms

Open